Oregon Scientific CS1500 Chainsaw Owner's manual

Original Instruction Manual

Chainsaw Model CS1500-091

Manuel d’instructions original

Tronçonneuse modèle CS1500-091

Manual original de instrucciones

Motosierra modelo CS1500-091

English . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

WARNING: Read and understand all safety warnings and all instructions. Failure to follow the

warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference.

This instruction manual contains translations of a manual drafted in English and are provided to assist those

who do not speak English as their first language. Being a technical writing, some terms may not have a like

or equivalent meaning as translated. Therefore, you should not rely on this translation, and should cross-

reference the English version, where relying on the translated instructions could result in harm to your person

or property.

Français. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

AVERTISSEMENT : Veuillez lire et comprendre tous les avertissements de sécurité et toutes

les instructions. Le non-respect des avertissements de sécurité et des instructions peut entraîner

une décharge électrique, un incendie et/ou des blessures graves.Conservez l’ensemble des

avertissements et instructions pour référence ultérieure.

Ce manuel d’instructions est une traduction d’un manuel rédigé en anglais, fournie pour aider ceux dont

l’anglais n’est pas la langue maternelle. Étant donné qu’il s’agit d’un document technique, certains termes

peuvent ne pas avoir de signification similaire ou équivalente lorsqu’ils sont traduits. Par conséquent, vous

ne devez pas vous fier à cette traduction et devriez consulter la version anglaise également, au cas où les

instructions traduites pourraient provoquer des blessures ou des dommages matériels.

Español . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

ADVERTENCIA: Lea y comprenda todas las advertencias de seguridad y las instrucciones.

La omisión en seguir estas advertencias e instrucciones podría ocasionar una descarga eléctrica,

un incendio y/o lesiones personales graves. Guarde todas las advertencias e instrucciones para

referencia futura.

Este manual de instrucciones contiene traducciones de un manual redactado en inglés y se provee para ayudar

a aquellas personas que no hablan inglés como su primer idioma. Dado que el manual es un documento técnico,

es posible que algunos términos no tengan un significado similar o equivalente al traducirlos. Por lo tanto, no

debe confiar en esta traducción y debe consultar la versión en inglés; confiar en las instrucciones traducidas

podría provocar lesiones personales o daños materiales.

4

Table of Contents

Chainsaw Model CS1500-091

in the United States and/or in other countries.

Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Safety Signal Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

General Power Tool Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Work Area Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Electrical Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Personal Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Power Tool Use and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Chainsaw Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Causes and Operator Prevention of Kickback . . . . . . . . . . . . . . . . . . . . . . .8

Kickback Safety Devices on this Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Storage, Transporting, and Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Symbols and Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Chainsaw Names and Terms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Preparing for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

What’s in the Box?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Checking the Front Hand-Guard Position. . . . . . . . . . . . . . . . . . . . . . . . .13

Filling the Bar and Chain Oil Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Assembling the Guide Bar and Saw Chain . . . . . . . . . . . . . . . . . . . . . . . . 14

Tensioning the Saw Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Operating the Chainsaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Power Cord Use and Care. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Cutting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Sharpening with PowerSharp®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Maintenance and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Tensioning the Saw Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Replacing a Worn Saw Chain and Sharpening Stone . . . . . . . . . . . . . . . . . . 26

Maintaining the Guide Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Replacing a Worn Guide Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Replacing a Worn Chain Tensioning Gear. . . . . . . . . . . . . . . . . . . . . . . . .28

Replacing the Drive Sprocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Additional Maintenance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Specifications and Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Warranty and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Table of Contents

5

Important Safety Information

Chainsaw Model CS1500-091

Important Safety Information

Introduction

This chainsaw is designed for occasional light-duty use. It is not designed to fell large trees

or cut large diameter logs. This chainsaw is not designed for tree service. Do not cut trees or

wooden timbers that have a diameter greater than the effective cutting length of the chainsaw,

 inches ( cm).

Safety Signal Definitions

SYMBOL SIGNAL MEANING

WARNING Indicates a potential hazard which could result in serious injury.

CAUTION Indicates a potential hazard which could seriously damage the tool or

cause minor to moderate injury.

IMPORTANT Following this instruction will increase satisfaction with the tool.

General Power Tool Safety Warnings

WARNING: Read and understand all safety warnings and all instructions.

Failure to follow the warnings and instructions may result in electric shock, fire,

and/or serious injury.

Save all warnings and instructions for future reference. The term “power tool” in the

warnings refers to your mains-operated (corded) power tool or battery operated (cordless)

power tool.

Work Area Safety

• Keep work area clean and well lit.

Cluttered or dark areas invite accidents.

• Do not operate the power tool in explosive

atmospheres, such as in the presence of

flammable liquids, gases or dust. Power

tools create sparks which may ignite the dust

or fumes.

• Keep children and bystanders away while

operating the power tool. Distractions can

cause you to lose control.

Electrical Safety

• Power tool plugs must match the outlet.

Never modify the plug in any way. Do

not use any adapter plugs with earthed

(grounded) power tools. Unmodified plugs

and matching outlets will reduce risk of

electric shock.

• Avoid body contact with earthed or

grounded surfaces, such as pipes,

radiators, ranges and refrigerators. There

is an increased risk of electric shock if your

body is earthed or grounded.

• Do not expose power tools to rain or wet

conditions. Water entering a power tool will

increase the risk of electric shock.

• Do not abuse the cord. Never use the cord

for carrying, pulling or unplugging the

power tool. Keep cord away from heat, oil,

sharp edges or moving parts. Damaged or

entangled cords increase the risk of electric

shock.

• When operating a power tool outdoors,

use an extension cord suitable for outdoor

use. Use of a cord suitable for outdoor use

reduces the risk of electric shock.

6

Important Safety Information

Chainsaw Model CS1500-091

• If operating a power tool in a damp

location is unavoidable, use a ground

fault circuit interrupter (GFCI) protected

supply. Use of a GFCI reduces the risk of

electric shock.

Personal Safety

• Stay alert, watch what you are doing

and use common sense when operating a

power tool. Do not use a power tool while

you are tired or under the influence of

drugs, alcohol or medication. A moment of

inattention while operating power tools may

result in serious personal injury.

• Use personal protective equipment.

Always wear eye protection. Protective

equipment such as dust mask, non-skid safety

shoes, hard hat, or hearing protection used for

appropriate conditions will reduce personal

injuries.

• Prevent unintentional starting. Ensure

the switch is in the off-position before

connecting to power source and/or

battery pack, picking up or carrying the

tool. Carrying power tools with your finger on

the switch or energizing power tools that have

the switch on invites accidents.

• Remove any adjusting key or wrench

before turning the power tool on. A wrench

or a key left attached to a rotating part of the

power tool may result in personal injury.

• Do not overreach. Keep proper footing

and balance at all times (Fig. ). This

enables better control of the power tool in

unexpected situations.

• Dress properly. Do not wear loose clothing

or jewelry. Keep your hair, clothing, and

gloves away from moving parts. Loose

clothes, jewelry, or long hair can be caught in

moving parts.

• If devices are provided for the connection

of dust extraction and collection facilities,

ensure these are connected and properly

used. Use of dust collection can reduce dust-

related hazards.

• Do not let familiarity gained from

frequent use of tools allow you to become

complacent and ignore tool safety

principles. A careless action can cause

severe injury within a fraction of a second.

Power Tool Use and Care

• Do not force the power tool. Use the

correct power tool for your application.

The correct power tool will do the job

better and safer at the rate for which it was

designed.

• Do not use the power tool if the switch

does not turn it on and off. Any power tool

that cannot be controlled with the switch is

dangerous and must be repaired.

• Disconnect the plug from the power

source and/or the battery pack, if

detachable, from the power tool before

making any adjustments, changing

accessories or storing power tools. Such

preventive safety measures reduce the risk of

starting the power tool accidentally.

• Store idle power tools out of the reach

of children and do not allow persons

unfamiliar with the power tool or these

instructions to operate the power tool.

Power tools are dangerous in the hands of

untrained users.

• Maintain power tools. Check for

misalignment or binding of moving

parts, breakage of parts and any other

condition that may affect the power tool’s

operation. If damaged, have the power

tool repaired before use. Many accidents

are caused by poorly maintained power tools.

• Keep cutting tools sharp and clean.

Properly maintained cutting tools with sharp

cutting edges are less likely to bind and are

easier to control.

FIG. 1

7

Important Safety Information

Chainsaw Model CS1500-091

• Use the power tool, accessories and

tool bits, etc. in accordance with these

instructions taking into account the

working conditions and the work to

be performed. Use of the power tool for

operations different from those intended could

result in a hazardous situation.

• Keep handles and grasping surfaces

dry, clean and free from oil and grease.

Slippery handles and grasping surfaces do not

allow for safe handling and control of the tool

in unexpected situations.

Service

Have your power tool serviced by a

qualified repair person using only identical

replacement parts. This will ensure that the

safety of the power tool is maintained.

Chainsaw Safety Warnings

• Keep all parts of the body away from

the saw chain when the chainsaw is

operating. Before you start the chainsaw,

make sure the saw chain is not contacting

anything. A moment of inattention while

operating chainsaws may cause entanglement

of your clothing or body with the saw chain.

• Always hold the chainsaw with your right

hand on the rear handle and your left

hand on the front handle (Fig. ). Holding

the chainsaw with a reversed hand

configuration increases the risk of personal

injury and should never be done.

• Hold the power tool by insulated gripping

surfaces only, because saw chain may

contact hidden wiring or its own cord.

Saw chains contacting a “live” wire may make

exposed metal parts of the power tool “live”

and could give the operator an electric shock.

• Wear safety glasses and hearing

protection. Further protective equipment

for head, hands, legs, and feet is

recommended. Adequate protective clothing

will reduce personal injury by flying debris or

accidental contact with the saw chain.

• Do not operate a chainsaw in a tree.

Operation of a chainsaw while up in a tree may

result in personal injury.

• Always keep proper footing and operate

the chainsaw only when standing on a

fixed, secure and level surface. Slippery

or unstable surfaces may cause a loss of

balance or control of the chainsaw.

• When cutting a limb that is under tension,

be alert for spring back. When the tension

in the wood fibres is released, the spring

loaded limb may strike the operator and/or

throw the chainsaw out of control.

• Use extreme caution when cutting brush

and saplings. The slender material may

catch the saw chain and be whipped toward

you or pull you off balance.

• Carry the chainsaw by the front handle

with the chainsaw switched off and away

from your body. When transporting or

storing the chainsaw, always fit the guide

bar cover (Fig. ). Proper handling of the

chainsaw will reduce the likelihood of

accidental contact with the moving saw chain.

FIG. 2 FIG. 3

8

Important Safety Information

Chainsaw Model CS1500-091

• Follow instructions for lubricating, chain

tensioning, and changing accessories.

Improperly tensioned or lubricated chain

may either break or increase the chance of

kickback.

• Keep handles dry, clean, and free of oil

and grease. Greasy, oily handles are slippery

causing loss of control.

• Cut wood only. Do not use the chainsaw

for purposes not intended. For example:

do not use chainsaw for cutting plastic,

masonry, or non-wood building materials.

Use of the chainsaw for operations different

than intended could result in a hazardous

situation.

• It is recommended that the first time user

should have practical instruction in the

use of the chainsaw and the recommended

protective equipment from an experienced

operator. The initial practice should be

cutting logs on a saw-horse or cradle.

• Other than the wear parts identified in

this manual, the chainsaw has no user

serviceable parts.

• The work piece, bar, and chain can be hot

after cutting. Wear gloves to avoid burns.

• Prolonged use of power tools has been

reported to cause vascular, muscular,

and/or neurological disorders (such

as vibration white finger or Raynaud’s

syndrome), particularly when operating

the tool in cold weather. If you experience

numbness or loss of feeling in your

extremities, stop using the tool until

symptoms fade. To reduce the incidence

of vibration induced trauma, follow these

instructions:

–Wear gloves and keep hands and body

warm.

–Maintain a firm grip on the chainsaw,

but do not use prolonged, excessive

pressure. Let the chainsaw do the work.

–Assure that the cutting system is

maintained properly.

–Take frequent breaks.

The vibration in normal use can differ from the

stated values in this manual, depending on the

material being cut, maintenance of the cutting

system and other factors.

• Keep the cord behind you, and know the

position of the cord at all times. Keeping

the cord behind you and knowing the position

of the cord will help minimize tripping hazards

and prevent severing of the cord with the

chainsaw.

• If the cord is cut or damaged, immediately

stop using the chainsaw and disconnect

the cord from the mains. A damaged or cut

cord increases the risk of electrical shock.

• When used in a wet environment use a

GFCI with a tripping current of less than

mA. Use of a GFCI reduces the risk of

electric shock.

Causes and Operator Prevention

of Kickback

Kickback may occur when the nose or tip of the

guide bar touches an object, or when the wood

closes in and pinches the saw chain in the cut.

Tip contact, in some cases, may cause a sudden

reverse reaction, kicking the guide bar up and

back towards the operator.

Pinching the saw chain along the top of the

guide bar may push the guide bar rapidly back

towards the operator.

Either of these reactions may cause you to

lose control of the saw which could result in

serious personal injury. Do not rely exclusively

on the safety devices built into your saw. As a

chainsaw user, you should take several steps

to keep your cutting jobs free from accident and

injury.

Kickback is the result of tool misuse and/or

incorrect operating procedures or conditions

and can be avoided by taking proper

precautions as given below:

• Maintain a firm grip with thumbs and fingers

encircling the chainsaw handles, with both

hands on the saw and position your body and

arm to allow you to resist kickback forces.

Kickback forces can be controlled by the

operator if proper precautions are taken. Do

not let go of the chainsaw.

9

Important Safety Information

Chainsaw Model CS1500-091

• Do not overreach and do not cut above

shoulder height. This helps prevent

unintended tip contact and enables better

control of the chainsaw in unexpected

situations.

• Follow the Oregon® sharpening and

maintenance instructions for the saw chain.

Decreasing the depth gauge height can lead to

increased kickback.

Kickback Safety Devices

on this Saw

DANGER: Never modify or attempt to

disable the chain brake.

DANGER: Only use replacement bars

and chains specified by Oregon. Incorrect

replacement bars and chains may cause

chain breakage and increased risk of

kickback injury.

CHAIN BRAKE

This chainsaw comes equipped with a chain

brake, which stops both the motor and the

motion of the chain when kickback occurs

(Fig. ). The chain brake can be activated by

the forward motion of the front hand-guard as

the saw rotates backward during kickback; it

can also be activated by the inertial forces

generated from a kickback event.

CHAIN

This chainsaw comes equipped with a

saw chain that met the reduced kickback

performance requirements of the American

National Standards Institute (ANSI) and

Canadian Standards Association (CSA), ANSI

B., ISO , and CSA Z. respectively,

when tested according to the provisions of

the standards. For replacement chain, see

“Specifications and Components” in this

manual.

BAR

This saw comes equipped with a reduced

kickback guide bar that has a small radius nose.

Smaller radius noses have less potential for

kickback than a bar of the same size with a

larger nose radius.

When replacing the bar, only order the bar

listed in this manual to maintain low kickback

performance.

Storage, Transporting, and

Disposal

STORING THE CHAINSAW

• Unplug the chainsaw.

• Inspect the cord for cuts or damage.

• Clean chainsaw thoroughly.

• Install the guide bar cover.

• Store in a dry place.

• Keep out of reach of children or pets.

• It is normal for a small amount of oil to seep

from the guide bar when the chainsaw is not

in use. To protect against seepage, install the

guide bar cover and place an absorbent pad

under the bar.

TRANSPORTING THE CHAINSAW

Tools can shift during transport. Ensure the tool

is secure and cannot fall or move into contact

with people or property.

• Unplug the chainsaw.

• Install the guide bar.

• If desired, drain the bar and chain oil to reduce

seepage.

CHAINSAW DISPOSAL

This Oregon® product is designed and

manufactured with high quality materials

and components which can be recycled and

reused. Please dispose of this equipment in

an environmentally correct manner at a local

community waste collection/recycling center.

FIG. 4

10

Symbols and Labels

Chainsaw Model CS1500-091

Symbols and Labels

These symbols and labels appear on the chainsaw and/or in this manual.

SYMBOL NAME EXPLANATION

Class II construction Designated double insulated construction tools

Safety alert symbol Indicates that the text that follows explains a danger, warning,

or caution.

Read instructions The original instruction manual contains important safety and

operating information. Read and follow the instructions carefully.

Wear eye protection Wear eye protection when operating the chainsaw.

Wear hearing

protection Wear hearing protection when operating the chainsaw.

Wear hand protection Wear gloves when operating the chainsaw and when handling the

saw chain.

Wear head protection Wear head protection when operating the chainsaw.

Wear long pants Wear long pants when operating the chainsaw.

Wear foot protection Wear appropriate closed-toe work boots when operating the

chainsaw.

Beware of kickback Danger: Kickback can cause severe injuries.

Bar nose contact Avoid bar nose contact.

Chainsaw kickback

angle Designed for use with low kickback saw chain.

Two-handed hold Hold saw with both hands.

One-handed hold Do not hold the saw with one hand.

Do not use a ladder Never stand on a ladder when using the chainsaw.

Do not dispose Do not throw in household waste. Take to an authorised recycler.

Do not expose to rain Do not operate the chainsaw in wet conditions.

Damaged cable Inspect the power cord regularly for damage. Remove the plug

from the mains immediately if the cable is damaged or cut.

Cutting tool Cutting tool. Do not touch the chain without first deactivating the

chainsaw by unplugging it.

Trip hazard Know the location of the cord at all times.

Unplug before

maintenance Unplug before performing any maintenance.

11

Chainsaw Names and Terms

Chainsaw Model CS1500-091

Chainsaw Names and Terms

Alignment flange: The protrusion on the bar pad

that fits into the bar slot.

Automatic oiler: The system that automatically

lubricates the guide bar and saw chain.

Bar pad: The mounting pad on the powerhead that

helps ensure proper alignment of the guide bar.

Bar slot: The cut-out portion of the guide bar that

fits on to the alignment flange and mounting stud.

Bystander safety zone: A  ft ( m) circle around

the operator that must remain free from bystanders,

children and pets.

Chain brake: A device for stopping or locking the

saw chain, activated manually or non-manually when

kickback occurs.

Chain catcher: A device for retaining the saw chain if

it breaks or derails.

Chain gauge: The thickness of the saw chain drive

link, where it fits into the bar groove, indicated by the

part number stamped on the drive links.

Chain pitch: The distance between any three

consecutive rivets on the saw chain divided by two,

indicated by the part number stamped on the drive

links.

Chainsaw powerhead: A chainsaw without the saw

chain or guide bar.

Chain tensioning gear: A gear mounted on the

guide bar that adjusts saw chain tension when

rotated.

Chain tensioning ring: The ring around the side

cover release knob, that when turned, adjusts the

saw chain tension.

Drive link: The fin-shaped link of the saw chain that

fits into the groove on the guide bar.

Drive sprocket: The toothed part that drives the

saw chain.

Effective cutting length: The approximate distance

from the root of the spiked bumper to the outside

edge of the cutting link with the tensioner set to the

middle position.

Felling back cut: The final cut in a tree felling

operation made on the opposite side of the tree from

the notching undercut.

Front handle: The support handle located at or

toward the front of the chainsaw intended to be

gripped by the left hand.

Front hand-guard: A structural barrier between the

front handle of a chainsaw and the guide bar, which

also serves as an activating mechanism for the chain

brake.

Guide bar: A railed structure that supports and

guides the saw chain. Sometimes simply called the

“bar”.

Guide bar cover: The plastic cover that protects the

guide bar and saw chain when the chainsaw is not

in use.

Kickback: The rapid backward and/or upward motion

of the guide bar, occurring when the saw chain near

the top area of the nose of the guide bar contacts any

object (such as a log or branch), or when the wood

closes in and pinches the saw chain in the cut.

Low-kickback chain: A chain that complies with

the low kickback performance requirements of ANSI

B. and CSA Z..

Motor housing: The plastic cover of the chainsaw

powerhead.

Mounting stud: The threaded protrusion on the

alignment flange that extends through the bar slot.

Notching undercut: A notch cut in a tree to direct

the tree’s fall.

Rear handle: The support handle located at or

toward the rear of the saw intended to be gripped by

the right hand.

Rear hand-guard: A structural barrier at the bottom

right side of the rear handle to protect the operator in

case of rupture or derailing of the saw chain.

Reduced kickback guide bar: A guide bar with a

maximum nose radius as specified in ANSI B.

and CSA Z. and which has been demonstrated to

reduce kickback significantly.

Saw chain: A loop of chain having cutting teeth, that

cuts the wood, that is driven by the powerhead and is

supported by the guide bar. Sometimes simply called

the “chain”.

Side cover: The plastic cover on the powerhead that

covers the drive sprocket and chain tensioning gear

which is removed and installed with the side cover

release knob.

Side cover tab: The protrusion on the side cover that

fits into a slot in the powerhead. Use it to properly

align the side cover during installation.

Spiked bumper: A device fitted to the front of the

saw acting as a pivot point when in contact with a

tree or log to make cutting easier. Also known as

“bucking spikes”.

Strain relief bracket: The hook on the rear handle

to which the extension cord is looped to protect the

cord and prevent unplugging during operation.

Trigger lock-out: A movable stop that prevents the

unintentional operation of the trigger switch until

manually actuated.

Trigger switch: A device that turns the chainsaw on

and off.

Wear parts: Parts such as the saw chain and guide

bar that can wear during use and can be replaced by

the user.

12

Product Identification

Chainsaw Model CS1500-091

Product Identification

Know the Chainsaw

NOTE: See “Preparing for Use” for a list of included items.

OIL RESERVOIR CAP

FRONT HANDLE

SPIKED BUMPER

CHAIN CATCHER

REAR HANDLE

REAR HAND-GUARD

TRIGGER SWITCH

TRIGGER LOCK-OUT

OIL INSPECTION WINDOW

POWERHEAD

POWER CORD

STRAIN RELIEF BRACKET

GUIDE BAR COVER

SAW CHAIN

GUIDE BAR

CHAIN TENSIONING GEAR

SIDE COVER

RELEASE KNOB

CHAIN TENSIONING RING

SIDE COVER

MOUNTING STUD

DRIVE SPROCKET

SHARPENING STONE

POWERSHARP® LEVER

PRODUCT NAME PLATE FRONT HAND-GUARD

SIDE COVER

TAB

13

Preparing for Use

Chainsaw Model CS1500-091

Preparing for Use

DANGER: To avoid serious personal

injury, do not operate the chainsaw

without the guide bar, saw chain, and side

cover properly assembled.

WARNING: Do not attempt to operate

the chainsaw if any part is damaged or

missing.

WARNING: An electric power tool

that is plugged in can start accidentally.

Unplug the chainsaw before preparing for

use or performing maintenance.

What’s in the Box?

These items ship with the chainsaw:

• Chainsaw powerhead

• Saw chain and guide bar

• Guide bar cover

After removing the chainsaw from the box,

inspect it carefully to ensure no damage has

occurred during shipping, and that no parts are

missing. If any parts are damaged or missing,

do not use the chainsaw. Contact Oregon® at

.. to obtain replacement parts.

Checking the Front Hand-

Guard Position

After unpacking the chainsaw, check the

position of the front hand-guard. The chainsaw

will not run with the chain brake engaged. Pull

the front hand-guard back towards the front

handle before operation (Fig. ).

Filling the Bar and

Chain Oil Reservoir

IMPORTANT: Bar and chain oil prevents

premature wear. Never operate the

chainsaw if oil is not visible in the

inspection window. Check oil level

frequently and fill as needed.

Bar and chain oil is required to properly

lubricate the guide bar and saw chain. The

chainsaw is equipped with an automatic oiler

that deposits oil on the bar and chain when

running, keeping them properly lubricated. Use

Oregon® bar and chain oil for best results. It is

specially designed to provide low friction and

faster cuts. NEVER use oil or other lubricants

that have not been specifically designed for use

on the bar and chain. This can lead to a clogged

oil system which may cause premature wear of

the bar and chain.

FRONT HAND-GUARD

IN OPERATING POSITION

FRONT HAND-GUARD

IN BRAKE POSITION

FIG. 5

14

Preparing for Use

Chainsaw Model CS1500-091

Place the chainsaw on a firm, flat surface so

that the oil cap is on top (Fig. ).

• Clean any debris from the cap area.

• Remove the cap.

• Carefully pour the bar and chain oil into the

reservoir.

• Replace the cap and make sure oil is visible in

the reservoir.

PRIMING THE OILER

WARNING: To reduce the risk of injury,

never run the chainsaw without the side

cover.

CAUTION: Keep hands, clothing, and

hair away from the drive sprocket when

priming the oiler.

If this is the first time filling the bar and chain

oil reservoir, or if the chainsaw has been stored

for a long period of time without use, prime the

oiler.

Wear gloves.

• Unplug the chainsaw.

• Loosen the side cover release knob slightly,

but do not remove the side cover.

• Loosen the chain tensioning ring (turn it

counterclockwise) as far as it will go.

• Loosen the side cover release knob and

remove the side cover.

• Remove the guide bar and saw chain.

• Plug in the chainsaw.

• Install the side cover, then lightly tighten the

side cover release knob.

• Run the chainsaw for about two minutes.

• Unplug the chainsaw, remove the side cover

and check for oil on the bar pad (Fig. ).

• If no oil is present on the bar pad, replace the

side cover and run for another  seconds.

• When oil begins to seep from the hole, unplug

the chainsaw and replace the bar and chain as

described in “Maintaining the Guide Bar”.

If oil is not visible in the reservoir, additional bar

and chain oil is necessary.

Assembling the Guide Bar and

Saw Chain

WARNING: An electric power tool

that is plugged in can start accidentally.

Unplug the chainsaw before preparing for

use or performing maintenance.

Wear gloves.

• Unplug the chainsaw.

• Loosen the side cover release knob by turning

it counter clockwise, then remove the side

cover (Fig. ).

FIG. 6 FIG. 7

FIG. 8

15

Preparing for Use

Chainsaw Model CS1500-091

• There is a rubber o-ring that is important to

the function of the saw. The rubber o-ring

must be in place around the pin on the

tensioner before the tensioner is screwed onto

the bar (Fig. ).

• Insert the screw from the back side of the

chain tensioning gear and attach the chain

tensioning gear onto the guide bar (Fig. ).

• Place the chain tensioning gear on the side

of the guide bar facing you such that the

rectangular piece does not protrude past the

edges of the guide bar and insert the screw.

• Place the guide bar on the bar pad by sliding

the bar slot over the alignment flange (Fig. ),

with the mounting stud inserted through the

hole in the chain tensioning gear.

• Loop the new saw chain onto the drive

sprocket so that the cutting edges of the

teeth along the top of the bar face away from

the powerhead (Fig. ).

• Feed the chain into the groove of the bar and

slide the bar away from the motor to remove

slack from the chain (Fig. ).

• Install the side cover, making sure the chain

catcher and side cover tab are seated in their

proper locations (Fig. ), then lightly tighten

the side cover release knob.

FIG. 9

FIG. 10

FIG. 11 BAR PAD

ALIGNMENT FLANGE

MOUNTING STUD

FIG. 12

FIG. 13

FIG. 14

16

Preparing for Use

Chainsaw Model CS1500-091

• Tension the chain as described in “Tensioning

the Saw Chain” in the “Preparing for Use”

section of the manual.

IMPORTANT: The saw chain must be

properly tensioned before using. See

“Tensioning the Saw Chain” in the

“Preparing for Use” section of the

manual.

Tensioning the Saw Chain

WARNING: An electric power tool

that is plugged in can start accidentally.

Unplug the chainsaw before preparing for

use or performing maintenance.

WARNING: If the chain is still loose

when the saw is at maximum tension,

replace the chain.

IMPORTANT: Only tension the saw chain

when the chain is cool. A hot chain may

contract and damage the guide bar or

chain as it cools.

Wear gloves.

• Unplug the chainsaw before tensioning.

• Loosen the side cover release knob slightly,

but do not remove the side cover.

• Hold up the nose of the guide bar (Fig. ) and

turn the chain tensioning ring clockwise.

• Tighten the chain tensioning ring until the

lowest cutters underneath the bar solidly

contact the bar (Fig. ).

• Tighten the side cover release knob.

• Lightly pull on the chain. The tension is correct

when the chain snaps back after being pulled

 mm away from the guide bar.

• After a short period of use, allow the chain

to cool, unplug the chainsaw and check the

tension again. Watch tension carefully for

the first half-hour of use and periodically

throughout the life of the chain readjusting as

required when the chain and bar are cool to

the touch. Never tension chain when it is hot.

Chain will stretch as a result of normal use,

however, insufficient oil, aggressive use, or

failure to perform recommended maintenance

can lead to premature stretching.

FIG. 15

FIG. 16 INCORRECT

CORRECT

17

Operating the Chainsaw

Chainsaw Model CS1500-091

Operating the Chainsaw

General Operation

DANGER: To avoid serious personal

injury, do not overreach and do not stand

on a ladder, stepstool, or any raised

position that is not fully secured. Never

cut above shoulder height.

WARNING: To reduce the risk of injury,

always wear proper boots, gloves, head,

ear, and eye protection.

GRIP

Always grip the tool with both hands. Grasp

the front handle with the left hand and the

rear handle with the right (Fig. ). Wrap the

fingers over the top of the handle with the

thumb below the handle.

FOOTING

Stand with both feet on solid ground with

weight evenly spread between them (Fig. ).

STOPPING THE CHAINSAW

Release the trigger switch to stop the

chainsaw.

STARTING THE CHAINSAW

WARNING: To reduce the risk of injury,

never defeat the interlock by taping,

wiring or tying down the trigger lock-out.

Make sure the chain brake is not engaged.

Grasp the front and rear handles firmly. Press

and hold the trigger lock-out with the thumb ().

To start the saw, squeeze the trigger switch ()

(Fig. ). There is no need to continue to press

the trigger lock-out. It will remain disengaged

until the trigger is released.

FIG. 17 GRIP WITH THUMB

BELOW HANDLE

FIG. 18

FIG. 19 (1) TRIGGER LOCK-OUT

(2) TRIGGER

SWITCH

18

Operating the Chainsaw

Chainsaw Model CS1500-091

TESTING THE CHAIN BRAKE

Make sure the chain brake is working before

using the chainsaw. To check brake operation:

• Place the saw on a firm, flat surface.

• Start the saw briefly.

• Keep the left hand on the front handle and roll

the left wrist to move the front hand-guard

forward to manually activate the chain brake

(Fig. ).

• Release the trigger switch.

A properly functioning chain brake stops the

motor and saw chain immediately. If the motor

and saw chain do not stop immediately, have

the chain brake checked at an approved service

location.

• Return the front hand-guard to operating

position.

Power Cord Use and Care

SELECTING AN EXTENSION CORD

Select an extension cord that is:

• Specifically labelled for outdoor use

• Of a wire size (AWG) heavy enough to carry

the current the full length of the cable

according to the table below

Select the gauge of extension cord based

on the desired length and the electrical

specifications found on the product label.

These are the recommended gauges based on

the length of cord.

CORD LENGTH (FT) MIN. WIRE SIZE

0–50 14 AWG (1.5mm2)

51–100 12 AWG (3.0mm2)

Make sure the insulation is free of cracks and

that the plugs on both ends are undamaged.

USING THE STRAIN RELIEF BRACKET

It is important to use the strain relief bracket

for two reasons:

• It saves wear on both the power cord and the

extension cord and their plugs.

• It prevents the chainsaw from becoming

unplugged from the extension cord

accidentally.

To use the strain relief bracket, bend the

extension cord into a U-shape and put it

through the hole in the rear handle. Slide the

loop of cord over the hook and tug lightly until

snug (Fig. ).

FIG. 20

FIG. 21

19

Operating the Chainsaw

Chainsaw Model CS1500-091

Cutting

WARNING: To reduce the risk of injury,

wear proper boots, gloves, head, ear, and

eye protection.

WARNING: To reduce the risk of

electric shock, make sure the cord

insulation is intact and that the cord is in

a dry location where there is no danger of

it being cut or tripped over.

WARNING: To reduce the risk of injury,

always be sure of footing and hold the

chainsaw firmly with both hands while the

motor is running.

WARNING: To reduce the risk of injury,

plan ahead and plan multiple escape

paths before beginning work.

CAUTION: Establish a bystander safety

zone of 20 ft (6 m) prior to operation of

this equipment. Bystander safety zone is

a minimum 20 ft (6 m) circle around the

operator that must remain free from

bystanders, children and pets (Fig. 22).

Felling operations require a larger safety

zone according to the size of the tree, see

“Felling a Tree” section.

IMPORTANT: Practice cutting logs on

a sawhorse or cradle until you become

comfortable operating the saw.

To get the best performance and to operate the

saw safely, follow these instructions:

• Observe all applicable national and municipal

rules and regulations for cutting.

• Take frequent breaks to reduce the risk of

injury.

• Before beginning to cut, make sure the saw

chain is properly tensioned and the chain is

sharp.

Saw chains are made to cut wood only. Do not

use the chainsaw to cut any other materials,

and do not allow the chain to come into contact

with dirt, stones, nails, staples, or wire. These

materials are extremely abrasive and will wear

away protective plating from the chain in a very

short time.

Sharpen or replace the saw chain if any of these

conditions occur:

• The pressure required to make cuts increases

noticeably.

• Wood chips coming off of the chain are very

fine or dust-like.

Do not work with a dull chain as it will increase

the effort required to cut, cause jagged cuts,

increase wear on the chainsaw and increase the

risk of kickback. Never force a dull chain to cut.

• Assume the proper cutting grip and stance

in front of the wood with the saw turned off.

Press the trigger lock-out and squeeze the

trigger switch. Let the chain reach full speed

before beginning the cut.

• Begin cutting by lightly pressing the guide bar

against the wood. Use only light pressure and

let the saw do the work.

• Maintain a steady speed throughout the cut

releasing pressure just before the end of the

cut.

• Know the location of the cord at all times to

avoid trip hazards and avoid cutting the cord.

• Know the location of the tip of the bar at all

times and avoid contact with other objects.

• If the saw stops suddenly when cutting,

remove the saw from the cut, then resume

cutting using lighter pressure on the work

piece.

6 m (20 ft)

FIG. 22

20

Operating the Chainsaw

Chainsaw Model CS1500-091

PRUNING

CAUTION: Falling limbs may bounce or

“spring back” after they hit the ground so

it is essential to keep the ground clear to

provide multiple retreat paths. Clear the

work area and wear head protection.

Pruning is removing dead or overgrown

branches to maintain plant health.

• Plan retreat paths before beginning to cut,

and make sure there are no obstructions.

Always know how to get out of the way of

falling branches.

• Make sure bystanders or helpers are a safe

distance from falling branches. Bystanders or

helpers should not stand directly in front of or

behind the operator. See Fig. .

• Maintain solid footing and hold the chainsaw

firmly with both hands. Do not overreach.

Never climb a tree or ladder to reach high

limbs.

• Secure any branches that might be hazardous.

• Use proper auxiliary equipment.

• Prune lower limbs before pruning higher ones.

• Allow the saw chain to achieve full speed

before cutting.

• Apply light pressure to the branch.

• For long limbs (Fig. ), cut the end of the limb

first () to relieve pressure from the limb, then

prune closer to the trunk ().

• Thick limbs (greater than  inch ( cm) in

diameter) can splinter or pinch the chain when

making a single cut from the top. To avoid

pinching or splintering, first make one shallow

relief cut on the bottom surface of the limb (),

then cut the limb all of the way through from

the top of the limb () to match the bottom

cut (Fig. ).

• After most of the limb has been removed,

make one smooth cut near the trunk (Fig. ).

(1) (2)

FIG. 23

(1)

(2)

FIG. 24

FIG. 25

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